Refrigerating apparatus



Sept. 25, 1923.

G. H. EMERY REFRIGERATING APARA'TUS Filed Aug. 5,

stare rui' .sind

GUSTA-v E. nicnas, o11 wnsmnoron, nisarofr on conversie., assieme 'germano Bnoeuna, on runnin.; sri-iin. Y Y

nnnn'snas'rne erneuern-s.

Application `led.` August 5', 1922. seriallo. 579,930. v

TofiZZ whom t may concern: Y Y The tube l is provided on the insidefsur- Be it known that I, GUSTAV H. EMERY a face with a spiral rib l whichfincreases the citizen of:V the Unite-d States of America, 'cooling surface at the saine time aiding` .thel 50 residing' Vllashington, District oi Colu.; coolina medium, such. as air, through the i bis, have invented certain newend usefulA tube. vOn Ythe outside of thetube are a I improvements in Refrigerating' Apparatus, plurality of annular ribs 8 for the purpose of which the followingT is a specitication. Y o increasing` the evaporating surface.`

My invention relates specifically to ap- Suitably spaced alongV 'the outside oftheV 5 5.V

Y naratus for cooling air. water or any other tube and between the annular ribs vare inedium for retrinerating' purposes. This pluralitj/fogt wings 9 iorthe puroose ot' more* ntie-n utilizes the theory that the evapo- Quickly removing the saturated *airV from ration ot' wats-r causes a reduction in teinthe evaporating surface in anyjjoredeter-V Y peintureot surrounding' bodies which is carmined direction. l ried out by allowing the medium to be cooled rllhe operation ot the deviceis as tollows: to flow as close as possible to the place where During the rapid 'rotation of thev tube nl the'evaporation is carried on. The object the unter. which is continuously supplied oi" this invention is to increase the evaporatthe pipe 6, evaoorates and. lowers y Ying surface at the saine tinie 'providing the teiligeratuffe et the tube. The retrige5 nie'anssior `quickly moving the air which is wetting inediuin passing throufrh said tube 2o saturated with water vapor, from the sur- `is thereb;T cooled being'aided by the ribbedistcrft` f i'ace of the :"lpparatus- A further object is -ion or" the rotatingtube. to provide additional means ttor cooling` the Vclaim rnyinvention: rerigerating inednun. 'e D if L f l nerrigeratinff apparatus,'comprising a 70 l attain these objects by the apparatus cylindrical Atube adapted for rotation;

and showing i ustrated inthe aceonipanjy# .nieans for forcing' air "through the tube; ing drawing, which illustrates a diagrainmeans Vfor supplying a liquid on the surface matic showing of the system. of said tube; and wings on theA outside of Referring; now to the drawing., in which the tube. n 1 similar numerals refer to similar parts .-2. lefrigeratine' apparatus, coi

:zo throughout, numeral l denotes a cylindrical shaft;A a cylindrical tube adapted ror r-ota- Y tube suitably mounted on a shaft 2 and tion on seid s iat; means for forcing air haring' an inlet end 1l and an outlet end through thek tube; ineens tor supplying l2. rlhe shaft is mounted in suitable bearwater on the surface oiF4 said tube; and V8O ings 3 and has mounted thereon a wheel l plurality of wings on the outside ot the between the bearing and outlet of the tube. tube. I A' lllhen thc wheel is rotatedbjf: auI itahle Y 3. Refrigerating apparatus, 'coinnrising a means, not shown, the shaft is rotated'and shaft; a cylindrical tube adapted lor rotatlierebjrth tube. Suitablylocaled butp're tion on said shaft; ineens for forcing air S5 {arabi}- above the tubeisinountcda water pipe through the tube; annular ribs on the sur- .io 6 havinga plurality ot small holes 7 theietace ot said tube; a pipev for supuh/ing`V in so that the outside ofthe tube may be` water to said tube; and a plurality of`wings continuously noistened as tast asthe water on the surface of the tube. I is allowed to evaporate depending upon the ln testimonir ufhereoiz l my signature. 90 speed ot the tube. At the inl t end oli the Y i. .f

tube anxv connecting means, not shown, may GUSTAV Hi RM1-TRY.

be utilized -for carrying the inediuin` to be Y cooled to the tube.

Certificate of Correction.

It is hereby certified that in Letters Patent No. 1,468,999, granted September 25, 1923, upon the applicationof Gustav H. Emery, of Washington, Distric-t 'of Columbia, for an improvement in Refrigerating Apparatus, au error appears requiring correction 'as follows: In the drawing the figure should appear as shown below instead of as shown in the drawing:

and Ithat the said Letters Patent should be read with this correction therein that the same may conform to the record of the case in the Patent Oice.

Signed and sealed this 30th day of October, A. D., 1923.

v KARL FENNING,

[SEAL] Acting Uommflssioner of Patents. 

